Klipsch R-121SW Review: Ranked #95 of 145

Last updated: September 13, 2026

The Klipsch R-121SW ranks #95 out of 145 total Medium Home Subwoofers (30-75 lbs) for sound quality. See all Subwoofers rankings for every top pick.

Brand: Klipsch

Prices on this page were last checked September 14, 2026 at 1:47 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Klipsch R-121SW - ranked #95 of 145 Medium Home Subwoofers (30-75 lbs) · Editor's rating 3.6/5
Check price at Amazon ($249.00) →

#95 Klipsch R-121SW: $249.00 Amazon eBay

Pros: 12-inch spun-copper driver with 200W RMS delivers controlled, musical bass with minimal distortion. Front-firing design maximizes placement flexibility. Excellent value with exceptional bang-for-buck.

How it compares: Just above it: Paradigm Defiance V12 - $264 more. Just below it: BIC America PL-200II - $170 more.

Amplifier Power200W RMS
CEA-2010-A Average (40-80Hz)111.2 dB
Cabinet Colorblack
CountryUnited States
Dimensions16.6"H x 16"W x 19.7"D (421.6 x 406.4 x 500.4 mm)
Drivers12" (305mm) driver
Enclosureported, rear
Frequency Response28-120Hz
Measurement SourceAudioholics
Output SPL at 15 Hz90.7 dB
Output SPL at 20 Hz96.0 dB
Output SPL at 25 Hz98.4 dB
Output SPL at 31.5 Hz102.3 dB
Output SPL at 40 Hz108.2 dB
Output SPL at 50 Hz112.4 dB
Output SPL at 63 Hz112.9 dB
Output SPL at 80 Hz111.3 dB
Output SPL at 100 Hz109.9 dB
Output SPL at 125 Hz108.3 dB
Warranty5/2
Weight35.1 lbs (15.9 kg)
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